System and Method for Filtering Message

a filtering message and message technology, applied in the field of filtering messages transmitted, can solve the problems of increasing the number of occurrences in which these services are abused, the cost of users or service providers, and the inability to perform filtering for these words in actuality using the conventional string matching method
US20080263159A1Active Publication Date: 2008-10-23NHN CORP
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
NHN CORP
Publication Date
2008-10-23

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Abstract

A system and method for message filtering are disclosed. A conversion target letter table is generated which stores information on letters that may be used to elude filtering, the table storing the hex code information of each letter that may be used for eluding filtering and the conversion letter information regarding the conversion letter to which each letter is to be converted. A hex code of a message text inputted by a user is compared with the hex codes of the table, and when a conversion target letter is included, it is converted to the conversion letter stored in the conversion target table associated with the letter. When the conversion is completed, it is determined whether or not pre-configured prohibited words are included in the converted message; and message filtering is performed.
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Description

FIELD OF THE INVENTION

[0001] The present invention relates to filtering messages transmitted over a network, and in particular, to filtering messages which have been modified to elude prohibited words.BACKGROUND OF THE INVENTION

[0002] With the development of the Internet, it has become quite convenient for users to exchange messages over the Internet. Users can exchange various forms of messages through memo, chatting, messenger, and mail functions, etc., and the exchange of messages has become an essential feature in community websites and online games.

[0003] Although message transfer services are provided for users to exchange ideas, the number of occurrences is increasing in which these services are abused, at the cost of the users or the service providers.

[0004] For example, such cases may include obscene messages transferred to random users, and transaction messages sent to users to exchange game money obtained through hacking for cash.

[0005] In prior art, such spam messages were ge...

Claims

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